Not always righty, tighty
If you haven't figured it out and can't get the older connection undone; they are left hand threads. You need to turn the part that goes into the valve clockwise to loosen. This is backwards to just about every other bolt/nut.
Ron, Karen, Bekah, Koen & Daniel Grose + Jenna(dog)
Mount Joy Pa
2011 Jayco 365 BHS
2008 Pilgrim 328 BHSS(sold)
1995 Jayco 264 BH(sold)
2012 Ram CC Cummins 4x4 SRW w/4.10 gears using Andersen Ultimate hitch